Refer to the Table Below

question 172

Multiple Choice

Refer to the table below. A pharmaceutical company is developing five new drugs to act as antagonists with respect to five different receptor proteins.Listed in the table are dissociation constants for ligand and drug in each case.In which case will the dosage of drug necessary to achieve a biological effect be the smallest?

• A) A
• B) B
• C) C
• D) D
• E) E

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Definitions:

Colonoscopy

A medical procedure using a long, flexible tube with a camera to examine the interior of the colon and rectum for abnormalities.

American Cancer Society

A nationwide voluntary health organization dedicated to eliminating cancer as a major health problem.

Tissue Samples

Small portions of tissue taken from the body for the purposes of examination or diagnosis.

Colonoscopy

A medical examination procedure in which a long, flexible camera (colonoscope) is used to view the inner lining of the colon and rectum.